Setup Mode - Extech Instruments EC100 User Manual

Finishing a Measurement Session
Automatic Power OFF (Sleep mode)

Setup Mode

Parameter P1: Temperature Units, Ambient Temperature, and Temperature Coefficient settings
Parameter P3: Meter Reset
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After a measurement session:

Rinse the electrode in de-ionized water and store dry.

Affix the protective cap over the electrode when storing.

If the unit is to be left un-unused for a month or more, remove and store the batteries
separately.
The meter will automatically switch OFF after 20 minutes of inactivity. To disable the Sleep Mode:
With the instrument switched off, press and hold the SET and HLD/CAL buttons simultaneously until
the 'n' icon appears on the display. Release the buttons and the meter will power up. The meter will
now stay switched ON until the user manually switches it OFF. The meter reverts to the Sleep Mode
Active state each time it is powered down.
1. From the normal operating mode, press and hold the SET button for at least 2 seconds until the
'Px' icon appears on the meter display (x = setup parameter number).
2. Use the arrow buttons to scroll to the P1 icon if necessary.
3. Press the SET button momentarily, the 'C' or 'F' icon should now be flashing and the 't.ut' icon
(abbreviation for temperature units) will be visible above the flashing unit.
4. Use the arrow keys to select the desired unit of measure.
5. Press the SET button momentarily to confirm the selection.
6. A temperature value will be flashing at the bottom of the display and the 't.nr' icon
(normalization temperature i.e., reference temperature) will be visible above the flashing
temperature. See Appendix C (Temperature Effects) for more information on reference
temperature.
7. Use the up arrow button to toggle between 68°F and 77°F (the default setting is 77°F).
8. Press the SET button to confirm the setting.
9. The temperature coefficient value should now be flashing on the bottom of the display with the
't.Co' icon visible above it. Refer to Appendix C for details on Temperature Coefficient.
10. Use the arrow buttons to select the coefficient temperature (default is 23.1°C).
11. Press the SET button momentarily to confirm the selection.
12. The meter display should return to the P1 level starting point.
13. Press and hold the SET button for at least 2 seconds to return to the normal operation mode or
use the arrow buttons to move to Parameter P3 (see below).
This parameter can be used to restore all settings to their factory default state.
1. If continuing from Parameter P1 skip directly to step 2 below. If starting from the normal
operating mode, press and hold the SET button for at least 2 seconds until the 'Px' icon appears
on the meter display (x = setup parameter number).
2. Use the arrow buttons to scroll to the P3 icon if necessary. The 'rSt' display icon will be visible
above the P3 icon.
3. Press the SET button momentarily; a 'y' or an 'n' will be flashing.
4. Use the arrow buttons to select 'y' for YES RESET or 'n' for NO RESET.
5. Press the SET button momentarily to confirm the setting.
6. Press and hold the SET button for at least 2 seconds to return to the normal operation mode or
use the arrow buttons to move to Parameter P4 (see below).
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